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MathGroup Archive 1997

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Re: coefficient of constant term (Q:)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg7055] Re: [mg7002] coefficient of constant term (Q:)
  • From: Robert Pratt <rpratt at math.unc.edu>
  • Date: Sat, 3 May 1997 22:04:47 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Why not substitute zero for all variables?

Rob Pratt
Department of Mathematics
The University of North Carolina at Chapel Hill
CB# 3250, 331 Phillips Hall
Chapel Hill, NC  27599-3250

rpratt at math.unc.edu

http://www.math.unc.edu/Grads/rpratt/

On Thu, 1 May 1997, m.r. wrote:

> greetings:
> 
> please offer suggestions on obtaining the constant term of an expression
> 
> containing a list of variables.
> 
> using CoefficientList i was able to build such a function, though
> 
> the returned  list has a  "large" length. 
> 
> since the list of variables grows as n^3,
> 
>  the  execution time became the issue even for "small" n.
> 
> sincerely, 
> 
> m. r.
> 
> email:  schaferk at tennessee.nrlssc.navy.mil
> 
> 


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